20158736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5701}}^1$

素因数の和:5739

約数の個数: 40

約数和(自身を含む): 44544024

約数和(自身を除く): 24385288

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5701, 11402, 22804, 45608, 74113, 91216, 96917, 148226, 193834, 296452, 387668, 592904, 775336, 1185808, 1259921, 1550672, 2519842, 5039684, 10079368, 20158736]

約数ペア:

[(1, 20158736), (2, 10079368), (4, 5039684), (8, 2519842), (13, 1550672), (16, 1259921), (17, 1185808), (26, 775336), (34, 592904), (52, 387668), (68, 296452), (104, 193834), (136, 148226), (208, 96917), (221, 91216), (272, 74113), (442, 45608), (884, 22804), (1768, 11402), (3536, 5701)]